A typewriter: paper on one half, keys on the other, and folding it archives the page
Does DuoType: Typewriter work on iPhone Duo?
According to its developer, yes. FoldHunt's editor hasn't checked DuoType: Typewriter on iPhone Duo yet, so it's listed as a claim.
- Developer claimedThe developer, in the App Store description for version 1.0.1 (released October 10, 2026), which said DuoType is "built first for iPhone Duo": open, paper and lamp sit on one half and the keyboard on the other; folding it shut archives the page and the cover shows the last line typed and the page count; and the typewriter adapts to tabletop, flat and book on the Duo. The current version, 1.0.2, doesn't mention the Duo in its description or release notes. There are no pictures of it on the Duo yet; the App Store screenshots show an iPhone and an iPad. The App Store seller is Berkay Egeli (id 6821094612).
Adapted for the fold
We're waiting on details of exactly what DuoType: Typewriter changes for the fold. Are you the developer? Tell us.
About DuoType: Typewriter
DuoType turns the phone into a vintage typewriter. On iPhone Duo, the developer says, the paper and lamp sit on one half of the open screen and a typewriter keyboard on the other. Fold it shut mid-sentence and the page is pulled out and archived, while the cover shows the last line you typed and your page count; open it again for a fresh sheet. The 1.0.1 description said it adapts to tabletop, flat and book postures too. There are no pictures of it on the Duo yet.
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Sources: DuoType: Typewriter on the App Store (apps.apple.com)
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